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Finding the Fourth Proportional to 166,074.60, 249,111.90 and 154,920.90

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Solution

The fourth proportional to 166,074.60, 249,111.90 and 154,920.90 is: 232,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,074.60 : 249,111.90 = 154,920.90 : x
  2. Step 2: Convert to fraction form
    166,074.60/249,111.90 = 154,920.90/x
  3. Step 3: Cross multiply
    166,074.60x = 249,111.90 × 154,920.90
  4. Step 4: Simplify right side
    166,074.60x = 38,592,639,748.71
  5. Step 5: Solve for x
    x = 38,592,639,748.71/166,074.60
  6. Step 6: Final answer
    x = 232,381.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.